74198329 has 2 divisors, whose sum is σ = 74198330. Its totient is φ = 74198328.

The previous prime is 74198323. The next prime is 74198351. The reversal of 74198329 is 92389147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62773929 + 11424400 = 7923^2 + 3380^2 .

It is a cyclic number.

It is not a de Polignac number, because 74198329 - 2⁵ = 74198297 is a prime.

It is not a weakly prime, because it can be changed into another prime (74198323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37099164 + 37099165.

It is an arithmetic number, because the mean of its divisors is an integer number (37099165).

Almost surely, 2^74198329 is an apocalyptic number.

It is an amenable number.

74198329 is a deficient number, since it is larger than the sum of its proper divisors (1).

74198329 is an equidigital number, since it uses as much as digits as its factorization.

74198329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 74198329 is about 8613.8451924794. The cubic root of 74198329 is about 420.2083792127.

The spelling of 74198329 in words is "seventy-four million, one hundred ninety-eight thousand, three hundred twenty-nine".